Re: [PATCH v2 04/12] dt-bindings: net: starfive,jh7110-dwmac: Add JH7100 SoC compatible

From: Cristian Ciocaltea
Date: Sun Oct 29 2023 - 18:15:49 EST


On 10/29/23 13:24, Krzysztof Kozlowski wrote:
> On 29/10/2023 05:27, Cristian Ciocaltea wrote:
>> The Synopsys DesignWare MAC found on StarFive JH7100 SoC is quite
>> similar to the newer JH7110, but it requires only two interrupts and a
>> single reset line.
>>
>> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxxxxxx>
>> ---
>> .../devicetree/bindings/net/snps,dwmac.yaml | 1 +
>> .../bindings/net/starfive,jh7110-dwmac.yaml | 74 +++++++++++++------
>> 2 files changed, 54 insertions(+), 21 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>> index a4d7172ea701..c1380ff1c054 100644
>> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>> @@ -95,6 +95,7 @@ properties:
>> - snps,dwmac-5.20
>> - snps,dwxgmac
>> - snps,dwxgmac-2.10
>> + - starfive,jh7100-dwmac
>> - starfive,jh7110-dwmac
>>
>> reg:
>> diff --git a/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
>> index 44e58755a5a2..70e35a3401f4 100644
>> --- a/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
>> +++ b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
>> @@ -13,10 +13,14 @@ maintainers:
>>
>> properties:
>> compatible:
>> - items:
>> - - enum:
>> - - starfive,jh7110-dwmac
>> - - const: snps,dwmac-5.20
>> + oneOf:
>> + - items:
>> + - const: starfive,jh7100-dwmac
>> + - const: snps,dwmac
>> + - items:
>> + - enum:
>> + - starfive,jh7110-dwmac
>> + - const: snps,dwmac-5.20
>
> Why do you use different fallback?

AFAIK, dwmac-5.20 is currently only used by JH7110.

>>
>> reg:
>> maxItems: 1
>> @@ -37,23 +41,6 @@ properties:
>> - const: tx
>> - const: gtx
>>
>> - interrupts:
>> - minItems: 3
>> - maxItems: 3
>> -
>> - interrupt-names:
>> - minItems: 3
>> - maxItems: 3
>> -
>> - resets:
>> - minItems: 2
>> - maxItems: 2
>
> You just changed it in previous patches... So the previous code allowing
> one item was correct?

I mentioned the possible use-cases in the previous email. So yes, JH7110
requires 2 resets, while JH7100 just one.

Regards,
Cristian